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by | Mar 16, 2018 | Hosta

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Foxmail is a cost-free e-mail client owned by Tencent. Market share reported over 3 million users in China. Original author Zhang Xiaolong (张小龙), an alumnus of HUST in Wuhan. It currently supports POP3 and IMAP4(version 6.5 beta 2).


Violation of User Privacy

Foxmail 5 violates RFC822 by sending user names, subject, and other message headers in raw GB2312 as a result can be marked as spam by anti-spam measures:

 pts rule name              description
---- ---------------------- --------------------------------------------------
 0.1 FROM_NO_LOWER          From address has no lower-case characters
 4.3 SUBJ_ILLEGAL_CHARS     Subject: has too many raw illegal characters
 1.6 HEAD_ILLEGAL_CHARS     Headers have too many raw illegal characters

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